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Finding the Fourth Proportional to 58,915.80, 81,304.62 and 32,059.08

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Solution

The fourth proportional to 58,915.80, 81,304.62 and 32,059.08 is: 44,241.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,915.80 : 81,304.62 = 32,059.08 : x
  2. Step 2: Convert to fraction form
    58,915.80/81,304.62 = 32,059.08/x
  3. Step 3: Cross multiply
    58,915.80x = 81,304.62 × 32,059.08
  4. Step 4: Simplify right side
    58,915.80x = 2,606,551,316.95
  5. Step 5: Solve for x
    x = 2,606,551,316.95/58,915.80
  6. Step 6: Final answer
    x = 44,241.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.